Move UserContext to its own file

chrome/browser/chromeos/login/auth/online_attempt_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/memory/ref_counted.h"
 #include "base/run_loop.h"
 #include "chrome/browser/chromeos/login/auth/auth_attempt_state.h"
 #include "chrome/browser/chromeos/login/auth/mock_auth_attempt_state_resolver.h"
 #include "chrome/browser/chromeos/login/auth/mock_url_fetchers.h"
 #include "chrome/browser/chromeos/login/auth/online_attempt.h"
 #include "chrome/browser/chromeos/login/auth/test_attempt_state.h"
-#include "chrome/browser/chromeos/login/users/user.h"
+#include "chrome/browser/chromeos/login/auth/user_context.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "google_apis/gaia/gaia_auth_consumer.h"
 #include "google_apis/gaia/mock_url_fetcher_factory.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 
 using ::testing::AnyNumber;
@@ skipping 191 matching lines @@
                  attempt_->weak_factory_.GetWeakPtr(),
                  error));
 
   // Force UI thread to finish tasks so I can verify |state_|.
   base::RunLoop().RunUntilIdle();
   EXPECT_TRUE(GoogleServiceAuthError::AuthErrorNone() ==
               state_.online_outcome().error());
 }
 
 }  // namespace chromeos